Available distances
About
Test your limits at the Bear Lake Ultra, a genuine test of mental and physical endurance in Lapeer, Michigan, where you complete as many loops as possible over a varied course combining singletrack, wide trails, grassy stretches, and bridges, all within a continuous 24-hour window. Open to both runners and walkers, the event supports you with a fully stocked aid station offering a range of refreshments, plus on-site amenities like heated restrooms and convenient camping right next to the course. Strategic breaks and the option to bring a pacer after reaching certain milestones give you every chance to push your limits. Registration includes a hoodie, Friday night dinner, and a surprise gift, with prizes awarded to the top athletes.
Prepare for Bear Lake Ultra with RunRun
An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.
- Personalized plan based on your VO2max, history and weekly availability
- Strava and Garmin sync: your sessions are analyzed and the plan adapts
- Target paces, long runs, key sessions: everything is calculated for race day
Races nearby
Other upcoming races around Lapeer.
Mott Lake Trail Run (3Mile | 5Mile | 12.5K)
Sep 5, 2026 · Flint, MI · 19 mi away
3 mi · 5 mi · 7.8 mi
The RO Oted Half Marathon & 5 K
Sep 27, 2026 · Lake Orion, MI · 19 mi away
3.1 mi · 13 mi
Crooked Loops Trail Run
Oct 10, 2026 · Clarkston, MI · 22 mi away
2.5 mi · 5.5 mi · 8.5 mi
Gobbler Gallop 5K Run/Walk & 10K Run
Nov 26, 2026 · Holly, MI · 24 mi away
3.1 mi · 6.2 mi
8 Hours of Ode
Jan 16, 2027 · Holly, MI · 24 mi away
3.1 mi · 4.2 mi · 6.2 mi · 8 h
Black Toenail Friday Half Marathon and 7.5 Miler - MI
Nov 27, 2026 · Wolverine Lake, MI · 34 mi away
7.5 mi · 13 mi